2190290427

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{18720431}}^1$

素因数の和:18720450

約数の個数: 12

約数和(自身を含む): 3407118624

約数和(自身を除く): 1216828197

約数列:

[1, 3, 9, 13, 39, 117, 18720431, 56161293, 168483879, 243365603, 730096809, 2190290427]

約数ペア:

[(1, 2190290427), (3, 730096809), (9, 243365603), (13, 168483879), (39, 56161293), (117, 18720431)]